Finding the Third Proportional to 815,146 and 1,918,004

Step by Step Solution

1. Step 1: Write the proportion equation
   815,146 : 1,918,004 = 1,918,004 : x
2. Step 2: Convert to fraction form
   815,146/1,918,004 = 1,918,004/x
3. Step 3: Cross multiply
   815,146x = 1,918,004 × 1,918,004
4. Step 4: Simplify right side
   815,146x = 3,678,739,344,016
5. Step 5: Solve for x
   x = 3,678,739,344,016/815,146
6. Step 6: Final answer
   x = 4,512,982.15